If anybody even cares:
Blockland.
Type of Work: Computer File
Registration Number / Date: TXu001273154 / 2005-12-12
Title: Blockland.
Notes: Printout also deposited.
Copyright Claimant: Eric George Hartman, 1981-
Date of Creation: 2005
Copyright Note: Cataloged from appl. only.
Names: Hartman, Eric George, 1981-
If anybody can find Roblox on that site (the copyright search thingy), I'd be amazed.
I don't even know how you could design a website that does not allow for searching by keyword without excluding any relevant results and including all sorts of irrelevant copyrights in Spanish.